In-Vitro and In-Vivo Characterization of Hyaluronic Acid Composite Gel with Anti-Inflammatory Activity for Infected Wound Healing

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Pratibha Sahu, Rinkee Verma, Kiran Singh, Chandrika Ahirwal, Geetanjali Sahu, Akhilesh Kumar Sahu, Jhakeshwar Prasad


Bacterial biofilm formation and drug resistance are common issues associated with wound healing. Antimicrobial peptides (AMPs) are a new class of antimicrobial agents with the potential to solve these global health issues. New injectable adhesive antibacterial hydrogels have excellent prospects of becoming the next innovative wound-healing dressings. In this study, the hyaluronic acid was connected to the antibacterial peptide Plantaricin 149 (Pln149), obtaining HAD, AMP. HAD, AMP performed well in efficient antimicrobial activity, good histocompatibility, low drug resistance, low bacterial biofilm formation, and fast wound healing process which are essential for rapid healing of infected wound. During the hydrogel degradation process, Pln149 was released to inhibit bacterial communication and reduce bacterial biofilm formation. Meanwhile, HAD, AMP could upregulate anti-inflammatory and pro-angiogenic factors, and down-regulate inflammatory factors to promote the healing of infected wounds, which provide a new idea for skin healing strategies.

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